GPT-5 API price, and what each result really costs
OpenAI, listed 7 Aug 2025. Price checked 12 Nov 2026; unchanged since we started tracking it. Source: OpenAI's pricing page. openai/gpt-5
API shutdown on 2026-12-11. Suggested replacement: gpt-5.6-sol. What the switch to GPT-5.6 Sol costs
List price per million tokens
- Input
- $1.25
- Cached input
- $0.125
- Output
- $10.00
- Context window
- 400K tokens
Note: API shutdown 2026-12-11; replacement gpt-5.6-sol. Reasoning model: thinking tokens are billed as output.
What it costs per task, and per task that works
Six common task shapes with typical token counts. The real cost counts the tries that get redone; the rates are examples, not measurements.
| Task | Per 1,000 tries | Per 1,000 that work, 8 in 10 | Per 1,000 that work, 6 in 10 | Per 1,000 that work, 4 in 10 |
|---|---|---|---|---|
| Support bot answer3,000 in / 300 out | $6.75 | $8.44 | $11.25 | $16.88 |
| Invoice field extraction2,500 in / 250 out | $5.63 | $7.03 | $9.38 | $14.06 |
| Lead scoring1,200 in / 100 out | $2.50 | $3.13 | $4.17 | $6.25 |
| Email reply draft1,500 in / 400 out | $5.88 | $7.34 | $9.79 | $14.69 |
| Translation900 in / 800 out | $9.13 | $11.41 | $15.21 | $22.81 |
| Search re-ranking4,000 in / 50 out | $5.50 | $6.88 | $9.17 | $13.75 |
Work out your own real cost per resultTest GPT-5 on your own prompt
Compare GPT-5 with
- GPT-4.1$2.00 in / $8.00 outSwitch cost
- GPT-6.1 Sol$2.00 in / $10.00 outSwitch cost
- Gemini 2.5 Pro$1.25 in / $10.00 outSwitch cost
- Grok 4.7$2.00 in / $6.00 outSwitch cost
- Mistral Medium 3.5$1.50 in / $7.50 outSwitch cost
Worked-through switches: GPT-5 → GPT-5.6 Sol: cost and quality on real tasks
Questions
How much does the GPT-5 API cost?
$1.25 per million input tokens and $10.00 per million output tokens, or $0.125 per million for cached input. Price checked 12 Nov 2026; unchanged since we started tracking it.
What does a result that works really cost with GPT-5?
A support bot answer (about 3,000 tokens in, 300 out) costs $0.0067 per try. If 6 in 10 work first time, each answer that works really costs $0.011, because the redone ones were paid for too.
Is GPT-5 being shut down?
OpenAI has announced the API shutdown of gpt-5 on 2026-12-11; the suggested replacement is gpt-5.6-sol. Source: https://developers.openai.com/api/docs/deprecations